This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The energy difference between the upper and lower levels in a certain laser is 1.9593 eV. What is ... (Read 67 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Jul 28, 2018
The energy difference between the upper and lower levels in a certain laser is 1.9593 eV. What is the wavelength of the light emitted by the laser?

Question 2

Suppose a beam of electrons is incident on a collection of hydrogen atoms, all of which are in the lowest energy state (n = 1). What is the minimum energy the electrons can have if they are to excite the hydrogen atoms into the n = 2 state?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 28, 2018
Answer to Question 1

632.9 nm

Answer to Question 2

10.2 eV


Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
Reply #2 on: Jul 28, 2018
TY


Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Muscles of the Right Lower Extremity Muscles of the Right Lower Extremity
Lower Limbs & Pelvis Lower Limbs & Pelvis
Jupiter’s and Saturn’s Upper Layers Jupiter’s and Saturn’s Upper Layers
Comparison of energy consumption in developing and industrialized nations Comparison of energy consumption in developing and industrialized nations
"No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ... "No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ...
Animated The one-way flow of energy and cycling of materials in the world of life Animated The one-way flow of energy and cycling of materials in the world of life
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library